2 * Copyright © 2014 Broadcom
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
32 VC4_PACKET_FLUSH_ALL
= 5,
33 VC4_PACKET_START_TILE_BINNING
= 6,
34 VC4_PACKET_INCREMENT_SEMAPHORE
= 7,
35 VC4_PACKET_WAIT_ON_SEMAPHORE
= 8,
37 VC4_PACKET_BRANCH
= 16,
38 VC4_PACKET_BRANCH_TO_SUB_LIST
= 17,
40 VC4_PACKET_STORE_MS_TILE_BUFFER
= 24,
41 VC4_PACKET_STORE_MS_TILE_BUFFER_AND_EOF
= 25,
42 VC4_PACKET_STORE_FULL_RES_TILE_BUFFER
= 26,
43 VC4_PACKET_LOAD_FULL_RES_TILE_BUFFER
= 27,
44 VC4_PACKET_STORE_TILE_BUFFER_GENERAL
= 28,
45 VC4_PACKET_LOAD_TILE_BUFFER_GENERAL
= 29,
47 VC4_PACKET_GL_INDEXED_PRIMITIVE
= 32,
48 VC4_PACKET_GL_ARRAY_PRIMITIVE
= 33,
50 VC4_PACKET_COMPRESSED_PRIMITIVE
= 48,
51 VC4_PACKET_CLIPPED_COMPRESSED_PRIMITIVE
= 49,
53 VC4_PACKET_PRIMITIVE_LIST_FORMAT
= 56,
55 VC4_PACKET_GL_SHADER_STATE
= 64,
56 VC4_PACKET_NV_SHADER_STATE
= 65,
57 VC4_PACKET_VG_SHADER_STATE
= 66,
59 VC4_PACKET_CONFIGURATION_BITS
= 96,
60 VC4_PACKET_FLAT_SHADE_FLAGS
= 97,
61 VC4_PACKET_POINT_SIZE
= 98,
62 VC4_PACKET_LINE_WIDTH
= 99,
63 VC4_PACKET_RHT_X_BOUNDARY
= 100,
64 VC4_PACKET_DEPTH_OFFSET
= 101,
65 VC4_PACKET_CLIP_WINDOW
= 102,
66 VC4_PACKET_VIEWPORT_OFFSET
= 103,
67 VC4_PACKET_Z_CLIPPING
= 104,
68 VC4_PACKET_CLIPPER_XY_SCALING
= 105,
69 VC4_PACKET_CLIPPER_Z_SCALING
= 106,
71 VC4_PACKET_TILE_BINNING_MODE_CONFIG
= 112,
72 VC4_PACKET_TILE_RENDERING_MODE_CONFIG
= 113,
73 VC4_PACKET_CLEAR_COLORS
= 114,
74 VC4_PACKET_TILE_COORDINATES
= 115,
76 /* Not an actual hardware packet -- this is what we use to put
77 * references to GEM bos in the command stream, since we need the u32
78 * int the actual address packet in order to store the offset from the
81 VC4_PACKET_GEM_HANDLES
= 254,
82 } __attribute__ ((__packed__
));
84 #define VC4_PACKET_HALT_SIZE 1
85 #define VC4_PACKET_NOP_SIZE 1
86 #define VC4_PACKET_FLUSH_SIZE 1
87 #define VC4_PACKET_FLUSH_ALL_SIZE 1
88 #define VC4_PACKET_START_TILE_BINNING_SIZE 1
89 #define VC4_PACKET_INCREMENT_SEMAPHORE_SIZE 1
90 #define VC4_PACKET_WAIT_ON_SEMAPHORE_SIZE 1
91 #define VC4_PACKET_BRANCH_TO_SUB_LIST_SIZE 5
92 #define VC4_PACKET_STORE_MS_TILE_BUFFER_SIZE 1
93 #define VC4_PACKET_STORE_MS_TILE_BUFFER_AND_EOF_SIZE 1
94 #define VC4_PACKET_STORE_TILE_BUFFER_GENERAL_SIZE 7
95 #define VC4_PACKET_LOAD_TILE_BUFFER_GENERAL_SIZE 7
96 #define VC4_PACKET_GL_INDEXED_PRIMITIVE_SIZE 14
97 #define VC4_PACKET_GL_ARRAY_PRIMITIVE_SIZE 10
98 #define VC4_PACKET_PRIMITIVE_LIST_FORMAT_SIZE 2
99 #define VC4_PACKET_GL_SHADER_STATE_SIZE 5
100 #define VC4_PACKET_NV_SHADER_STATE_SIZE 5
101 #define VC4_PACKET_CONFIGURATION_BITS_SIZE 4
102 #define VC4_PACKET_FLAT_SHADE_FLAGS_SIZE 5
103 #define VC4_PACKET_POINT_SIZE_SIZE 5
104 #define VC4_PACKET_LINE_WIDTH_SIZE 5
105 #define VC4_PACKET_RHT_X_BOUNDARY_SIZE 3
106 #define VC4_PACKET_DEPTH_OFFSET_SIZE 5
107 #define VC4_PACKET_CLIP_WINDOW_SIZE 9
108 #define VC4_PACKET_VIEWPORT_OFFSET_SIZE 5
109 #define VC4_PACKET_CLIPPER_XY_SCALING_SIZE 9
110 #define VC4_PACKET_CLIPPER_Z_SCALING_SIZE 9
111 #define VC4_PACKET_TILE_BINNING_MODE_CONFIG_SIZE 16
112 #define VC4_PACKET_TILE_RENDERING_MODE_CONFIG_SIZE 11
113 #define VC4_PACKET_CLEAR_COLORS_SIZE 14
114 #define VC4_PACKET_TILE_COORDINATES_SIZE 3
115 #define VC4_PACKET_GEM_HANDLES_SIZE 9
117 #define VC4_MASK(high, low) (((1 << ((high) - (low) + 1)) - 1) << (low))
118 /* Using the GNU statement expression extension */
119 #define VC4_SET_FIELD(value, field) \
121 uint32_t fieldval = (value) << field ## _SHIFT; \
122 assert((fieldval & ~ field ## _MASK) == 0); \
123 fieldval & field ## _MASK; \
126 #define VC4_GET_FIELD(word, field) (((word) & field ## _MASK) >> field ## _SHIFT)
129 * Bits used by packets like VC4_PACKET_STORE_TILE_BUFFER_GENERAL and
130 * VC4_PACKET_TILE_RENDERING_MODE_CONFIG.
132 #define VC4_TILING_FORMAT_LINEAR 0
133 #define VC4_TILING_FORMAT_T 1
134 #define VC4_TILING_FORMAT_LT 2
139 * byte 2 of VC4_PACKET_STORE_TILE_BUFFER_GENERAL and
140 * VC4_PACKET_LOAD_TILE_BUFFER_GENERAL (low bits of the address)
143 #define VC4_LOADSTORE_TILE_BUFFER_EOF (1 << 3)
144 #define VC4_LOADSTORE_TILE_BUFFER_DISABLE_FULL_VG_MASK (1 << 2)
145 #define VC4_LOADSTORE_TILE_BUFFER_DISABLE_FULL_ZS (1 << 1)
146 #define VC4_LOADSTORE_TILE_BUFFER_DISABLE_FULL_COLOR (1 << 0)
152 * byte 0-1 of VC4_PACKET_STORE_TILE_BUFFER_GENERAL and
153 * VC4_PACKET_LOAD_TILE_BUFFER_GENERAL
155 #define VC4_STORE_TILE_BUFFER_DISABLE_VG_MASK_CLEAR (1 << 15)
156 #define VC4_STORE_TILE_BUFFER_DISABLE_ZS_CLEAR (1 << 14)
157 #define VC4_STORE_TILE_BUFFER_DISABLE_COLOR_CLEAR (1 << 13)
158 #define VC4_STORE_TILE_BUFFER_DISABLE_SWAP (1 << 12)
160 #define VC4_LOADSTORE_TILE_BUFFER_FORMAT_MASK VC4_MASK(9, 8)
161 #define VC4_LOADSTORE_TILE_BUFFER_FORMAT_SHIFT 8
162 #define VC4_LOADSTORE_TILE_BUFFER_RGBA8888 0
163 #define VC4_LOADSTORE_TILE_BUFFER_BGR565_DITHER 1
164 #define VC4_LOADSTORE_TILE_BUFFER_BGR565 2
169 * byte 0 of VC4_PACKET_STORE_TILE_BUFFER_GENERAL and
170 * VC4_PACKET_LOAD_TILE_BUFFER_GENERAL
172 #define VC4_STORE_TILE_BUFFER_MODE_MASK VC4_MASK(7, 6)
173 #define VC4_STORE_TILE_BUFFER_MODE_SHIFT 6
174 #define VC4_STORE_TILE_BUFFER_MODE_SAMPLE0 (0 << 6)
175 #define VC4_STORE_TILE_BUFFER_MODE_DECIMATE_X4 (1 << 6)
176 #define VC4_STORE_TILE_BUFFER_MODE_DECIMATE_X16 (2 << 6)
178 /** The values of the field are VC4_TILING_FORMAT_* */
179 #define VC4_LOADSTORE_TILE_BUFFER_TILING_MASK VC4_MASK(5, 4)
180 #define VC4_LOADSTORE_TILE_BUFFER_TILING_SHIFT 4
182 #define VC4_LOADSTORE_TILE_BUFFER_BUFFER_MASK VC4_MASK(2, 0)
183 #define VC4_LOADSTORE_TILE_BUFFER_BUFFER_SHIFT 0
184 #define VC4_LOADSTORE_TILE_BUFFER_NONE 0
185 #define VC4_LOADSTORE_TILE_BUFFER_COLOR 1
186 #define VC4_LOADSTORE_TILE_BUFFER_ZS 2
187 #define VC4_LOADSTORE_TILE_BUFFER_Z 3
188 #define VC4_LOADSTORE_TILE_BUFFER_VG_MASK 4
189 #define VC4_LOADSTORE_TILE_BUFFER_FULL 5
192 #define VC4_INDEX_BUFFER_U8 (0 << 4)
193 #define VC4_INDEX_BUFFER_U16 (1 << 4)
195 /* This flag is only present in NV shader state. */
196 #define VC4_SHADER_FLAG_SHADED_CLIP_COORDS (1 << 3)
197 #define VC4_SHADER_FLAG_ENABLE_CLIPPING (1 << 2)
198 #define VC4_SHADER_FLAG_VS_POINT_SIZE (1 << 1)
199 #define VC4_SHADER_FLAG_FS_SINGLE_THREAD (1 << 0)
201 /** @{ byte 2 of config bits. */
202 #define VC4_CONFIG_BITS_EARLY_Z_UPDATE (1 << 1)
203 #define VC4_CONFIG_BITS_EARLY_Z (1 << 0)
206 /** @{ byte 1 of config bits. */
207 #define VC4_CONFIG_BITS_Z_UPDATE (1 << 7)
208 /** same values in this 3-bit field as PIPE_FUNC_* */
209 #define VC4_CONFIG_BITS_DEPTH_FUNC_SHIFT 4
210 #define VC4_CONFIG_BITS_COVERAGE_READ_LEAVE (1 << 3)
212 #define VC4_CONFIG_BITS_COVERAGE_UPDATE_NONZERO (0 << 1)
213 #define VC4_CONFIG_BITS_COVERAGE_UPDATE_ODD (1 << 1)
214 #define VC4_CONFIG_BITS_COVERAGE_UPDATE_OR (2 << 1)
215 #define VC4_CONFIG_BITS_COVERAGE_UPDATE_ZERO (3 << 1)
217 #define VC4_CONFIG_BITS_COVERAGE_PIPE_SELECT (1 << 0)
220 /** @{ byte 0 of config bits. */
221 #define VC4_CONFIG_BITS_RASTERIZER_OVERSAMPLE_NONE (0 << 6)
222 #define VC4_CONFIG_BITS_RASTERIZER_OVERSAMPLE_4X (1 << 6)
223 #define VC4_CONFIG_BITS_RASTERIZER_OVERSAMPLE_16X (2 << 6)
225 #define VC4_CONFIG_BITS_AA_POINTS_AND_LINES (1 << 4)
226 #define VC4_CONFIG_BITS_ENABLE_DEPTH_OFFSET (1 << 3)
227 #define VC4_CONFIG_BITS_CW_PRIMITIVES (1 << 2)
228 #define VC4_CONFIG_BITS_ENABLE_PRIM_BACK (1 << 1)
229 #define VC4_CONFIG_BITS_ENABLE_PRIM_FRONT (1 << 0)
232 /** @{ bits in the last u8 of VC4_PACKET_TILE_BINNING_MODE_CONFIG */
233 #define VC4_BIN_CONFIG_DB_NON_MS (1 << 7)
235 #define VC4_BIN_CONFIG_ALLOC_BLOCK_SIZE_32 (0 << 5)
236 #define VC4_BIN_CONFIG_ALLOC_BLOCK_SIZE_64 (1 << 5)
237 #define VC4_BIN_CONFIG_ALLOC_BLOCK_SIZE_128 (2 << 5)
238 #define VC4_BIN_CONFIG_ALLOC_BLOCK_SIZE_256 (3 << 5)
240 #define VC4_BIN_CONFIG_ALLOC_INIT_BLOCK_SIZE_32 (0 << 3)
241 #define VC4_BIN_CONFIG_ALLOC_INIT_BLOCK_SIZE_64 (1 << 3)
242 #define VC4_BIN_CONFIG_ALLOC_INIT_BLOCK_SIZE_128 (2 << 3)
243 #define VC4_BIN_CONFIG_ALLOC_INIT_BLOCK_SIZE_256 (3 << 3)
245 #define VC4_BIN_CONFIG_AUTO_INIT_TSDA (1 << 2)
246 #define VC4_BIN_CONFIG_TILE_BUFFER_64BIT (1 << 1)
247 #define VC4_BIN_CONFIG_MS_MODE_4X (1 << 0)
250 /** @{ bits in the last u16 of VC4_PACKET_TILE_RENDERING_MODE_CONFIG */
251 #define VC4_RENDER_CONFIG_DB_NON_MS (1 << 12)
252 #define VC4_RENDER_CONFIG_EARLY_Z_COVERAGE_DISABLE (1 << 11)
253 #define VC4_RENDER_CONFIG_EARLY_Z_DIRECTION_G (1 << 10)
254 #define VC4_RENDER_CONFIG_COVERAGE_MODE (1 << 9)
255 #define VC4_RENDER_CONFIG_ENABLE_VG_MASK (1 << 8)
257 /** The values of the field are VC4_TILING_FORMAT_* */
258 #define VC4_RENDER_CONFIG_MEMORY_FORMAT_MASK VC4_MASK(7, 6)
259 #define VC4_RENDER_CONFIG_MEMORY_FORMAT_SHIFT 6
261 #define VC4_RENDER_CONFIG_DECIMATE_MODE_1X (0 << 4)
262 #define VC4_RENDER_CONFIG_DECIMATE_MODE_4X (1 << 4)
263 #define VC4_RENDER_CONFIG_DECIMATE_MODE_16X (2 << 4)
265 #define VC4_RENDER_CONFIG_FORMAT_MASK VC4_MASK(3, 2)
266 #define VC4_RENDER_CONFIG_FORMAT_SHIFT 2
267 #define VC4_RENDER_CONFIG_FORMAT_BGR565_DITHERED 0
268 #define VC4_RENDER_CONFIG_FORMAT_RGBA8888 1
269 #define VC4_RENDER_CONFIG_FORMAT_BGR565 2
271 #define VC4_RENDER_CONFIG_TILE_BUFFER_64BIT (1 << 1)
272 #define VC4_RENDER_CONFIG_MS_MODE_4X (1 << 0)
274 #define VC4_PRIMITIVE_LIST_FORMAT_16_INDEX (1 << 4)
275 #define VC4_PRIMITIVE_LIST_FORMAT_32_XY (3 << 4)
276 #define VC4_PRIMITIVE_LIST_FORMAT_TYPE_POINTS (0 << 0)
277 #define VC4_PRIMITIVE_LIST_FORMAT_TYPE_LINES (1 << 0)
278 #define VC4_PRIMITIVE_LIST_FORMAT_TYPE_TRIANGLES (2 << 0)
279 #define VC4_PRIMITIVE_LIST_FORMAT_TYPE_RHT (3 << 0)
281 enum vc4_texture_data_type
{
282 VC4_TEXTURE_TYPE_RGBA8888
= 0,
283 VC4_TEXTURE_TYPE_RGBX8888
= 1,
284 VC4_TEXTURE_TYPE_RGBA4444
= 2,
285 VC4_TEXTURE_TYPE_RGBA5551
= 3,
286 VC4_TEXTURE_TYPE_RGB565
= 4,
287 VC4_TEXTURE_TYPE_LUMINANCE
= 5,
288 VC4_TEXTURE_TYPE_ALPHA
= 6,
289 VC4_TEXTURE_TYPE_LUMALPHA
= 7,
290 VC4_TEXTURE_TYPE_ETC1
= 8,
291 VC4_TEXTURE_TYPE_S16F
= 9,
292 VC4_TEXTURE_TYPE_S8
= 10,
293 VC4_TEXTURE_TYPE_S16
= 11,
294 VC4_TEXTURE_TYPE_BW1
= 12,
295 VC4_TEXTURE_TYPE_A4
= 13,
296 VC4_TEXTURE_TYPE_A1
= 14,
297 VC4_TEXTURE_TYPE_RGBA64
= 15,
298 VC4_TEXTURE_TYPE_RGBA32R
= 16,
299 VC4_TEXTURE_TYPE_YUV422R
= 17,
302 #define VC4_TEX_P0_OFFSET_MASK VC4_MASK(31, 12)
303 #define VC4_TEX_P0_OFFSET_SHIFT 12
304 #define VC4_TEX_P0_CSWIZ_MASK VC4_MASK(11, 10)
305 #define VC4_TEX_P0_CSWIZ_SHIFT 10
306 #define VC4_TEX_P0_CMMODE_MASK VC4_MASK(9, 9)
307 #define VC4_TEX_P0_CMMODE_SHIFT 9
308 #define VC4_TEX_P0_FLIPY_MASK VC4_MASK(8, 8)
309 #define VC4_TEX_P0_FLIPY_SHIFT 8
310 #define VC4_TEX_P0_TYPE_MASK VC4_MASK(7, 4)
311 #define VC4_TEX_P0_TYPE_SHIFT 4
312 #define VC4_TEX_P0_MIPLVLS_MASK VC4_MASK(3, 0)
313 #define VC4_TEX_P0_MIPLVLS_SHIFT 0
315 #define VC4_TEX_P1_TYPE4_MASK VC4_MASK(31, 31)
316 #define VC4_TEX_P1_TYPE4_SHIFT 31
317 #define VC4_TEX_P1_HEIGHT_MASK VC4_MASK(30, 20)
318 #define VC4_TEX_P1_HEIGHT_SHIFT 20
319 #define VC4_TEX_P1_ETCFLIP_MASK VC4_MASK(19, 19)
320 #define VC4_TEX_P1_ETCFLIP_SHIFT 19
321 #define VC4_TEX_P1_WIDTH_MASK VC4_MASK(18, 8)
322 #define VC4_TEX_P1_WIDTH_SHIFT 8
324 #define VC4_TEX_P1_MAGFILT_MASK VC4_MASK(7, 7)
325 #define VC4_TEX_P1_MAGFILT_SHIFT 7
326 # define VC4_TEX_P1_MAGFILT_LINEAR 0
327 # define VC4_TEX_P1_MAGFILT_NEAREST 1
329 #define VC4_TEX_P1_MINFILT_MASK VC4_MASK(6, 4)
330 #define VC4_TEX_P1_MINFILT_SHIFT 4
331 # define VC4_TEX_P1_MINFILT_LINEAR 0
332 # define VC4_TEX_P1_MINFILT_NEAREST 1
333 # define VC4_TEX_P1_MINFILT_NEAR_MIP_NEAR 2
334 # define VC4_TEX_P1_MINFILT_NEAR_MIP_LIN 3
335 # define VC4_TEX_P1_MINFILT_LIN_MIP_NEAR 4
336 # define VC4_TEX_P1_MINFILT_LIN_MIP_LIN 5
338 #define VC4_TEX_P1_WRAP_T_MASK VC4_MASK(3, 2)
339 #define VC4_TEX_P1_WRAP_T_SHIFT 2
340 #define VC4_TEX_P1_WRAP_S_MASK VC4_MASK(1, 0)
341 #define VC4_TEX_P1_WRAP_S_SHIFT 0
342 # define VC4_TEX_P1_WRAP_REPEAT 0
343 # define VC4_TEX_P1_WRAP_CLAMP 1
344 # define VC4_TEX_P1_WRAP_MIRROR 2
345 # define VC4_TEX_P1_WRAP_BORDER 3
347 #define VC4_TEX_P2_PTYPE_MASK VC4_MASK(31, 30)
348 #define VC4_TEX_P2_PTYPE_SHIFT 30
349 # define VC4_TEX_P2_PTYPE_IGNORED 0
350 # define VC4_TEX_P2_PTYPE_CUBE_MAP_STRIDE 1
351 # define VC4_TEX_P2_PTYPE_CHILD_IMAGE_DIMENSIONS 2
352 # define VC4_TEX_P2_PTYPE_CHILD_IMAGE_OFFSETS 3
354 /* VC4_TEX_P2_PTYPE_CUBE_MAP_STRIDE bits */
355 #define VC4_TEX_P2_CMST_MASK VC4_MASK(29, 12)
356 #define VC4_TEX_P2_CMST_SHIFT 12
357 #define VC4_TEX_P2_BSLOD_MASK VC4_MASK(0, 0)
358 #define VC4_TEX_P2_BSLOD_SHIFT 0
360 /* VC4_TEX_P2_PTYPE_CHILD_IMAGE_DIMENSIONS */
361 #define VC4_TEX_P2_CHEIGHT_MASK VC4_MASK(22, 12)
362 #define VC4_TEX_P2_CHEIGHT_SHIFT 12
363 #define VC4_TEX_P2_CWIDTH_MASK VC4_MASK(10, 0)
364 #define VC4_TEX_P2_CWIDTH_SHIFT 0
366 /* VC4_TEX_P2_PTYPE_CHILD_IMAGE_OFFSETS */
367 #define VC4_TEX_P2_CYOFF_MASK VC4_MASK(22, 12)
368 #define VC4_TEX_P2_CYOFF_SHIFT 12
369 #define VC4_TEX_P2_CXOFF_MASK VC4_MASK(10, 0)
370 #define VC4_TEX_P2_CXOFF_SHIFT 0
372 #endif /* VC4_PACKET_H */